You cannot go wrong with a classic square-style sticker. The clean, crisp edges and simple but elegant look make this the most straightforward and popular option. Keep your hope by the stickers!
.: Four sizes to choose from
.: Grey adhesive left side for white stickers
.: For indoor use
.: Not waterproof
 
 2" × 2"   3" × 3" 4" × 4" 6" × 6"
Width, in         2.00   3.00 4.00  5.98
Length, in       2.00    3.00 4.00   5.98
 
2" × 2" 3" × 3" 4" × 4" 6" × 6"
Width, cm  5.08     7.62 10.16 15.20
Length, cm 5.08     7.62        10.16 15.20